Cty TNHH 1 Thanh Vien Duc Hanh Address: 1a Street, Khoi 10, Cao Loc Town, Cao Loc District, Lang Son Province Enterprise code: 4900262809 Phone: 0205287036 Representative: Nguyen Van Binh Adress: 12a Ngo Quyen, Vinh Trai Ward, Lang Son City, Lang Son Province Cao Loc Town, Cao Loc District, Lang Son ProvinceFounding date: 20 - 11 - 2007